:root {
  --bg-color: #0d0d0d;
  --text-primary: #e0e0e0;
  --text-secondary: #aaaaaa;
  --accent-color: #ffab40; /* Colors.orangeAccent */
  --header-color: #ffc107; /* Colors.amber */
  --glass-bg: rgba(20, 20, 20, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --font-family: 'Inter', 'Roboto', sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  background-image: url('assets/background.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-blend-mode: darken; /* Matches ColorFilter.mode(Colors.black87, BlendMode.darken) */
  color: var(--text-primary);
  font-family: var(--font-family);
  line-height: 1.6;
  min-height: 100vh;
}

/* Glassmorphism Container */
.container {
  max-width: 800px;
  margin: 40px auto;
  padding: 40px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

header {
  text-align: center;
  margin-bottom: 40px;
}

header img {
  width: 120px;
  height: 120px;
  margin-bottom: 20px;
  border-radius: 20%;
  box-shadow: 0 4px 15px rgba(255, 171, 64, 0.3);
}

h1 {
  color: var(--accent-color);
  letter-spacing: 2px;
  font-size: 2rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}

h2 {
  color: var(--header-color);
  font-size: 1.4rem;
  letter-spacing: 1.2px;
  margin-top: 30px;
  margin-bottom: 15px;
}

p {
  color: rgba(255, 255, 255, 0.7); /* Colors.white70 */
  font-size: 1rem;
  margin-bottom: 15px;
}

ul {
  list-style-position: inside;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 15px;
}

li {
  margin-bottom: 10px;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--header-color);
}

nav {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  border-top: 1px solid var(--glass-border);
  padding-top: 20px;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  background: linear-gradient(135deg, #ffab40, #ff6d00);
  color: #fff;
  font-weight: bold;
  border-radius: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(255, 171, 64, 0.4);
  transition: transform 0.2s, box-shadow 0.2s;
  margin-top: 20px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 171, 64, 0.6);
  color: #fff;
}

@media (max-width: 768px) {
  .container {
    margin: 20px;
    padding: 20px;
  }
  nav {
    flex-direction: column;
    align-items: center;
  }
}

.download-section {
  text-align: center;
  margin-top: 30px;
}